Amphenol Advanced Sensors SM-UART-04L Laser Dust Sensor

Amphenol Advanced Sensors SM-UART-04L Laser Dust Sensor


Amphenol Advanced Sensors SM-UART-04L Laser Dust Sensor offers a 5.5V rating, a 100mA current consumption, and a 3.3V output performance. This sensor detects dust particle concentrations in the air by using an optical sensing method. The SM-UART-04L sensor finds small particles such as cigarette smoke and can distinguish small particles, such as smoke from large house dust, by the pulse pattern of the signal output. Amphenol SM-UART-04L Laser Dust Sensor is ideal for air cleaners, purifiers, indoor air quality monitoring, and HVAC applications.


  • 0 to 5.5V supply voltage range
  • 1 to 999µg/m3 detection range
  • 30mV supply voltage ripple rating
  • 100mA curent consumption rating
  • 3.3V output (UART)
  • -10°C to 50°C operating temperature range


  • Indoor air quality monitoring
  • Air cleaners
  • Air purifiers
  • Air conditioners
  • HVAC systems
  • Outdoor dust monitoring

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Mike is the founder and editor of, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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